1. Small area variations in health care delivery;Wennberg;Science,1973
2. Variations in the longitudinal efficiency of academic medical centers;Fisher;Health Affairs,2004
3. Productivity spillovers in health care: evidence from the treatment of heart attacks;Chandra;Journal of Political Economy,2007
4. Medicare spending, the physician workforce, and beneficiaries’ quality of care;Baicker;Health Affairs,2004
5. Who you are and where you live: how race and geography affect the treatment of medicare beneficiaries;Baicker;Health Affairs,2004